1 files changed, 4 insertions, 2 deletions

diff --git a/noncore/settings/networksettings/ppp/modem.cpp b/noncore/settings/networksettings/ppp/modem.cpp
index 7b2e2a3..17ada9b 100644
--- a/noncore/settings/networksettings/ppp/modem.cpp
+++ b/noncore/settings/networksettings/ppp/modem.cpp
@@ -768,8 +768,10 @@ bool Modem::createAuthFile(Auth method, const char *username, const char *passwo
   // delete old file if any
   unlink(oldName);
 
-  rename(authfile, oldName);
-  rename(newName, authfile);
+  if (rename(authfile, oldName) == -1)
+    return false;
+  if (rename(newName, authfile) == -1)
+    return false;
 
   return true;
 }